R12 or R134A?

HVAC, heating, cooling, air handling. Anything air temp related.
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6spd_monte
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R12 or R134A?

Post by 6spd_monte »

Who knows what year our vans started coming out of the factory with 134?
-James

1987 LT
249,000 miles
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okie1
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Re: R12 or R134A?

Post by okie1 »

Not sure, mine is a 94 and has r134a
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CaptSquid
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Re: R12 or R134A?

Post by CaptSquid »

My 92 had R-12.

From the stealership, rumour mill has it that they are coming out with something better (colder) than R-134a. I'll believe that when I see it.
Mike, Billings, MT, 'MERICA!
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4

Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!

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ultravanman
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Re: R12 or R134A?

Post by ultravanman »

You can tell what you have by the access valve if it screws on its 12, if it pushs on its 134

Topic author
6spd_monte
I sleep in my van
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Joined: Fri Jun 08, 2007 11:50 pm
Location: Orange County, CA

Re: R12 or R134A?

Post by 6spd_monte »

My research agrees that they started using 134 in 1994 vans. I know mine is R12, I am researching possible upgrades to the system since I am planning to get the AC working again.

I'll keep you guys posted.
-James

1987 LT
249,000 miles
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CaptSquid
I plan to be buried in my van
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Joined: Sun Sep 10, 2006 4:50 am
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Re: R12 or R134A?

Post by CaptSquid »

Stick with the R12. 134a doesn't cut the mustard.
Mike, Billings, MT, 'MERICA!
92 Safari SLE w/Z Motor (sold to a good home)
98 AWD Stro LS
93 Suburban Silverado 4x4

Look for the MISSING Alien in the Right Seat. AL, PHONE HOME!!!

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Topic author
6spd_monte
I sleep in my van
Posts: 431
Joined: Fri Jun 08, 2007 11:50 pm
Location: Orange County, CA

Re: R12 or R134A?

Post by 6spd_monte »

Yes, that's what I've been hearing as well.

My project is finished. The AC is working! I kept it R12, but I installed a condenser from a '94 van because I found they are more efficient. I also installed an electric pusher fan on the front of the condenser to help with airflow.
The air temperature out of the vents varies a lot depending on outside temperature, humidity and road speed. There have been days in the upper 90s with high humidity when I was stuck in heavy traffic that it could only manage 58 or 60 degrees, but I've also seen it blow down to 41 degrees when the ambient conditions are a bit better.

Overall, I'm pretty happy with it!
-James

1987 LT
249,000 miles
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